Earlier quoted context omitted.
In my experience the kind of project management that doesn't value engineering input on technical matters tends to be exactly the kind of project management that doesn't value engineering input on process changes.
If I started a new job and it became clear to me that my superiors just wanted me to shut up and do what I'm told, I would be looking for a new job immediately.
Sure. But not everyone feels that way, or economic circumstances may be a factor.